<?php
$root = realpath($_SERVER["DOCUMENT_ROOT"]) . "/SmartTuition/SmartTuition.Model"; 
// including base class, EntityWithID
require_once("$root/Models/Base/EntityWithID.php");
 
class Administrator extends EntityWithID
{
    private $userId;

    function __construct($id, $user_id) {
        parent::__construct($id);
        $this->userId = $user_id;
        $this->columns = "UserID";
    }

    public function getUserId() {
        return $this->userId;
    }

    public function getValues() {
        $str = $this->userId;
        return $str;
    }
}